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  1. #include <iostream>
  2. #include <math.h>
  3. using namespace std;
  4.  
  5. int main() {
  6. 	int  n;
  7. 	double p,q;
  8. 	cin >> n;
  9. 	double a[n][n], b[n][n], ab[n][n];
  10. 	for(int i=0; i < n; i++)
  11. 	{
  12. 		for(int j = 0; j < n; j++)
  13. 		{
  14. 			cin >> a[i][j]; 
  15. 		}
  16. 	}
  17.  	for(int i=0; i < n; i++)
  18. 	{
  19. 		for(int j = 0; j < n; j++)
  20. 		{
  21. 		 	 p=i+1; q=j+1;
  22. 		 	b[i][j]=1/(p+q-1);		
  23. 		}
  24. 	}
  25. 	for(int i=0; i < n; i++)
  26. 	{
  27. 		for(int j = 0; j < n; j++)
  28. 		{
  29. 			ab[i][j]=0;
  30. 			for(int p=0; p < n; p++ )
  31. 			{
  32. 				 ab[i][j]+=a[i][p]*b[p][j];
  33. 			}
  34. 		}
  35. 	}
  36. 	for(int i=0; i < n; i++)
  37. 	{
  38. 		for(int j=0;  j < n; j++)
  39. 		{
  40. 			cout << ab[i][j] << " ";
  41. 		}
  42. 		cout << endl;
  43. 	}
  44. 	return 0;
  45. }
  46.  
Success #stdin #stdout 0s 3232KB
comments (?)
stdin
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3
2 16 -3
4 0 1
-7 10 9
stdout
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9 5.58333 4.06667 
4.33333 2.25 1.53333 
1 2.08333 1.96667
https://ideone.com/0C4xoG
A700a
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
secret

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